– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Fri 03 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Fri 03 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Fri 03 Jul Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Warm (max 22°C on Sun afternoon, min 11°C on Fri night). Wind will be generally light. | Days 5–7 Weather SummarySome drizzle, heaviest during Wed afternoon. Warm (max 25°C on Mon afternoon, min 10°C on Wed night). Wind will be generally light. | ||||||||||||||||
Fri 3 | Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | | | | | | | |  |  | |  | |
rain shwrs | some clouds | some clouds | rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | light rain | light rain | rain shwrs | rain shwrs | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.6 | — | — | 0.1 | — | — | — | — | — | — | — | — | — | 0.2 | 0.2 | 0.5 | 0.3 |
max °C | 17 | 15 | 16 | 19 | 16 | 18 | 22 | 19 | 22 | 25 | 21 | 20 | 22 | 18 | 13 | 14 | 15 |
min °C | 15 | 11 | 13 | 18 | 11 | 15 | 21 | 15 | 19 | 25 | 15 | 18 | 22 | 12 | 13 | 13 | 10 |
chill °C | 15 | 11 | 13 | 18 | 11 | 15 | 21 | 15 | 19 | 25 | 15 | 18 | 22 | 12 | 13 | 13 | 10 |
Freezing level m | 3500 | 3200 | 2900 | 3150 | 3400 | 3500 | 3800 | 4050 | 3950 | 4000 | 4100 | 3950 | 3800 | 3150 | 2800 | 3100 | 3150 |
Cloud base (m) | 750 | 900 | 9050 | 8950 | 3400 | 1000 | 600 | 600 | |||||||||
 | — | — | 5:11 | — | — | 5:11 | — | — | 5:11 | — | — | 5:13 | — | — | 5:13 | — | — |
 | — | 9:13 | — | — | 9:13 | — | — | 9:12 | — | — | 9:12 | — | — | 9:10 | — | — | 9:10 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Warm (max 22°C on Sun afternoon, min 11°C on Fri night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Some drizzle, heaviest during Wed afternoon. Warm (max 25°C on Mon afternoon, min 10°C on Wed night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.